cve.bz

CVE-2021-21798

7.8 highEPSS 21%

High (7.8) in gonitro nitro pro. EPSS 21% chance of exploitation in the next 30 days.

An exploitable return of stack variable address vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause a stack variable to go out of scope, resulting in the application dereferencing a stale pointer. This can lead to code execution under the context of the application. An attacker can convince a user to open a document to trigger the vulnerability.

Severity

CVSS 3.1

7.8 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
21% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)
CWE
CWE-562
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON